Combined door lock and stay



July 14, 1925.

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1,546,182 E. W. POHLlG COMBINED DOOR LOCK AND STAY Filed Deo, 6. 1923 3 Sheets-Sheet 2 July 14, 1925.

E. W. POHLIG COMBINED DOOR LOCK AND STAY Filed Dec. 6. 1923 3 Sheets-Sheet 5 INVENTOR,

ORNEY ljatented July it,

EDGARA W. ronLrG; orivEW YORK, N. Y.

COMBINED. noon Loox AND.. STAY.

Application' ledecemberf 6, 1 923. Serial No.678,794.

ToaZZ whom t mayfcoaccrar,

Be it known that I,.EDGAR IV. POHLIG, a citizen of the United States, residing at New York city, borough ofthe Bronx, inthecounty of Bronx and. State of New York, have inventedl certain' new and useful Improvements in Combined Door Locks andiv Stays, of which the following is a. specifica-` tion.

This invention. rela-testo builders.7 hardwareV and has particular reference to locks for doors, windows, or other relatively move able parts of structures. By the termy doorf therefore, as used hereinafter-,wv I

mean to cover broadly any such. movable.

structure. j

Among the objects ofthe invention is toprovide a door. lock including a bolt having4 both sliding andy swinging movements with respect to the part withv whichit is carriedv or is permanently connected and adapted for hookedinterlocked co-operation with` another fixed part of the lock and around which the bolt will swing asa pivot when the door is to be opened onlyY partially.

Another object is to. provide inv a most imple, reliable, andeficient manner a jim my-proof lock including arbolt carried by the door and having an outer free end adapted to overlap a fixed jamb member when the. door swings shut and so constructed as to hook around said member when the bolt is slid toward the door for locking.

A still further object is to provide arigid stay, designed to take the place of a eom, monly usedchain on the inside of a door for the purpose of permitting a partial openinwY inward of the door in order to note who the. caller may be or what his business is with out intentionally opening the door fa-r enough for him to enter or intrude. I have discovered, however, that a chain stayl as commonly used is objectionable for various reasons including the fact that it is easily broken due to the fact that the intruder may, by seizing the door knobV and giving the door a slain inward, readily snap the chain. In this improvement, however, I provide in place of the chain a rigid stay which has positive engagement with a mein-- ber carried by the door at any one of a number of different positions or degrees of-opening of the door, and so the stay prevents such swinging of the door asjust described as would enable they intruder to break a chain.

With the foregoing'andf other objects in rview the invention consists in. the arrangement and combination of parts hereinafter described and claimed, and while the'inventionis not restricted tothe exact details of construction disclosed. or suggested herein,

still for the purpose of illustrating a practical embodiment. thereof reference is hadV to the accompanying drawings, in. which like reference characters designate the same parts in the several views,.and in which# Figure 1 is a frontV elevation. of av combined lockand stay corresponding to the ar-v rangement of Fig. 2. on a' smallf scale.

"Fig..2 isy a plan View ofthe same on a'. largerl scale. and with. parts in section. ony

about. the line2-2 of Fig. l..

Fig. 3 is a side elevation somewhat siini lar to Fig. l but with parts broken awayl just back of the front plate of the casing.

Fig. 3@ is a detail view ofthe central portionv of Figz with. parts in changed position.

Fig. 4f. is a vertical. transverse section on the broken. line 4-4 of Fig..3.

Fig. 5 is a plan view with parts insection through a modification, this ligurey indicat ing the relation of theI stay to a partially open door.

Fig. Gris aside elevation ofthe-structure. of Fig.5. Y

Fig.l isaperspective view of a modified form oflock.

Fig. 8 is a horizontal section on the line- 8--8 of Fig. 7.

Fig. 9 isa view indicatingv the applicationY of my improvement to a common form. of outside lock casing.

Fig. 10 is a detail View indicating the adaptability ofthe bolt for either a right or left hand door.V

Referring now more speeiiically to the drawings, I show my improvement as comprising a combinedbolt and stay l0 which may be of. any suitable shape-but shown as practically straight and made of fla-t bar metal but having formed on its outer or free end a hook l1, the point of which is towardA thewoutside vof the door in a vertical planeand is movable toward or from the door for locking or unlocking the bolt in connection with a strongpin lcarried by a rigid amb piece 13 anchored upon the corner of the jamb adjacent to the striking edge of the door when shut. The specific design of the j amb piece and the manner of applying it to the j amb may vary to a great extent without aecting the spirit of the invention. It is shown, however, as including a pair ofy horizontal wings 14 between the points of which the pin 12 extends and which wings are spaced sufliciently to admit the hook 11.

15 indicates a casing or frame of any suitable design or construction and connected rigidly by any suitable means to the door on the inside and adjacent to the striking edge. As shown in Figs. 2, 3, and 4l, this casing is designed to accommodate certain internal movable members including a carrier 16 in the nature of a block of metal or its equivalent substantially rectangular in form or in the nature of a. short bolt and adapted for limited horizontal sliding move ment, say to the extent of three-fourths of an inch in an ordinary construction, or from the position of Fig. 3 to that of Fig. 3a. This carrier is guided in a channel 17 and is recessed on its outer `side to accommodate a dog or trip member 18 pivoted at 19, this dog being in the nature of a lever of the first class. One end or tail piece 18a of the dog registers with a notch 2O formed in the upper edge of the carrier, and by virtue of a spring 21 fixed at its outer end to the forward end of the carrier the tail piece 18a is normally held elevated or opposite` said notch while the other end or tooth 18b of the dog is held depressed so as to occupy one or the other of a plurality of notches 22 formed in the bottom wall of the channel 17.

Any suitable means may be provided to manipulate the carrier for sliding' it outward toward the striking edge of the door or inward toward the opposite direction. To this end l show two means. 23 is a knob lever fixed in any suitable manner to the spindle 24. upon which an inside knob 25 is fixed. An elliptical cam 26 is fixer also upon the spindle 24 between the lever 23 and the adjacent side wall of the casing. A spring 27 fixed at one end to the casing and bearing at its other end upon the cam tends to hold the cam and lever 23 in either of the positions shown in Figs. 3 and 3a. The position o-f the carrier in Fig. 3 being that when the door is locked, for unlocking the door the operator on the inside of the door grasps the knob and gives it a. half turn to the left causing the lever 23 to move as shown by theI arrow, when the shorter end thereof will enter the notch 20, then depress the tail piece 18a of the dog, lifting the tooth 18b thereof out of the notch 22, andv finally by wiping against the remote beveled side of the notch will move the carrier bodily to th-e position of Fig. 3a. The

lever will be stopped in this partial rotation by the point or' longer end 23 thereof striking against a suitable stop as at 28. By this time the tooth 181 will have snapped into the next notch 22 whereby the carrier will be locked inkits outer or forward position.

A lug 29 projects downward from the lower edge of the carrier through a slot 30 in the wall aforesaid having the notches 22 and into a notch 31 formed in the upper edge of the bolt 10. Hence when the bolt is in the position shown in Figs. 1 to 3, the movement of the carrier will cause positively the sliding `movement of bolt forward or rearward. In the main figures the parts are shown locked with the hooked end of the bolt in interlocking position with respect to the jamb piece, a condition or position which renders it impossible for the door to be jimmied o-r for a tool to be introduced between the j amb and the strik-` ing edge of the door for spreading these parts.

The bolt normally rests upon o-r is slidable lengthwise in a seat 32 formed in the bottom portion of the casing, and it is retained therein as shown by two means,- a retainer 33 comprising two curved arms 33 extending inward from the main portion of the bottom of the cas-ingL and thence forward beyond the pin. These arms are connected by means of a vertical bar. Between the arms the bolt has ample room to slide as already described, and between the vertical bar and the main casing the bolt is free for swinging inward away from the door and around the axis of the pin 12 when the hook is in interlocking or locked position. When this bolt so swings inward from the door the lug 29 simply pass-es out ofthe notch 31 laterally. Under normal conditions the bolt is held. from this inward swinging movement by means of a latch 34 slidable vertically with respect to a guide way 35 and a keeper 36.

Along the lower edge of the bolt are formed a series of notches 37 which may be spaced at various places along' the bolt and into any one ofV which the lowerarm 33 is adapted to be received when. the bolt is swung` inward from the door andit is desired to use it as a stay for holding the door ar at any desired degree of opening. rlhis action of the bolt may be further described as follows: The door being closed or locked as shown in Fig. 2, if it be desired to open the door only partially to interview a caller, the operator simply lifts the latch 34 and swings the bolt inward toward the position shown in Fig. 5 or approximately at right angles to the plane of the door, the lower edge of the bolt resting upon the lower arm 33 ofthe retainer. The door then may be opened and when the first notch 37 is reached the bolt will drop and be positively engaged by the retainer holding the door at such position, giving a few inches of open space. If more space is desired as for the admission o-f a package, the operator on the inside 'will lift the inner end allow the door to open to the next or any succeeding notch 87. A stop member 38l ifs adjustable along the bolt to 'any desired position and is locked thereto by a set screwr 39 or its equivalent which may be projected through any one of a series of holes or notches l0 form-ed in the bolt. means it is impossible' for the caller to in trudeby pushing or forcing his way through the door because the stop 3S will cof-operate with the retainer v33 and positively limit the opening movement of' the door according to the eiective length' of the bolt determined by the adjust-ment of the stop. For ordinary use of the door the bolt will be locked in position as shown in Fig. 3* so that the door may swing open or shut freely so far as the locking bolt or stay 10 is concerned.

I also show in Figs. 2 and 3 a key lever il associated with any suitable conventional key mechanism 42 for manipulation of the lock carrier from the outside of the door. This lever l-l under the manual manipulation by key will be swung in the same direction as described vabove in connection with the bar 23, and its free end will enter the notch 2O and act upon the dog as then described but it may swing through a full vcircle instead of a partial. circle. The carrier is'wide enough as shown in Figs. 2 and 4 to be operated upon by either of these mechanisms.

In Figs. 5 and 6 I show a variation and simplification of my impro-vement but in which theb'olt IO and retainer 33 arejpracvtically the same as already described in detail. Instead of the notches 22 for cooperation with the tooth of the dog in the lock casing 15 I provide in this form a plurality of notches 22 formed in the top edge of the bolt and into either' of which a lug 18: carried by the back of the latch 34 is adapted to engage for locking thebolt in either its forward or inward position according to whether the bolt shall or shall not be free with respect tol the pin i2. The amb piece 18 is or may be just, the same as already described. Instead of the'l casing 15 I provide a plate or bracket 15 secured on the 4inside of the door and carrying the same retainer 33 as is described in connection with the casing. The lower edge of the bolt is provided with notches 37 and I empl-oy an adjustable stop 58 as above described.

When the latch 3 4 is lifted 'slightly the bolt may be shifted longitudinally for hooking or unhooking it around the pin 12 and when the latch is dropped again it will hold the bolt in whichever position it is placed. The lower end of the latch will remain in of the bolt and By this engagement with the front face of the bolt holding it in its fiat position against the plate and limiting it for sliding movement only. For use of the bolt as a rigid stay as shown in Figs. 5 and 6, the latch Bel will be lifted far enough to clear the bolt and allow it to be swung away from the door as previously described.

lIn Figs. 7 and 8 the bolt 10, while having hook l1 similar to the bolts already described for (1o-operation with the same type of jamb piece 13 or its equivalent is retained for slid-able co-operation only with a plate or bracket l5a fined to the door. The bolt'is shown reta-ined by keepers 33a andlS 'formed rigidly or integrally with' the plate. A iiiiger piece a?) is connected to the bolt and coi-'operating with the keeper 33a 4vconstitutes limiting stop for forward movement of the bolt and also serves as a means for moving the bolt inward into interlocking position with respect to the 'pin 12. At this time a gravity dog 18 pivoted at 19 will drop so that its tooth 44- will drop into a notch 22n square shoulder for a positive locking mea-ns between 'the plate and the bolt when the bolt is in locl'ring position. A 'linger piece facilitates the lifting of this dog out of locking position when the bolt is toL be moved forward as in the position of Fig. 7.

In Fig.- 9 I show an outside` lock casing 15b' whichmay be understood as being of any suitable or' conventional design with re' spec't tothe usual locking catch o'r bolt but arranged to carry within ity a' `locking bolt 10X, having the hook 11 for cooperation with thev standard jamb piece.

As indicated in Figs. 6 and 10 it is manifest that while the lock is shown applied to ai lrightV hand door it may be applied reversibly or to a left hand door by the mere duplication of the notches on both edges of the bolt and making the keeper extension 35 along both the top and bottom of the door pie-re. T he latch 34 may thus be employed to operate by gravity or otherwise when applied from either side of the door piece or will eo-operate with either set of notches in the bolt.

I claim: i

1. In a combined door-lock and stay, the combination of a rigid member for the door, a rigid member for the jamb, a bolt carried by and having constant engagement with the door member, and interengaging connection means between the bolt and the jamb member to provide a lock for the door when shut and serving also as a limiting stay for the door when ajar.

2. In a combined door lock and stay,'the combination with a jamb piece and a door piece, of a member carried constantly by and having movable co-operation with the door piece, inter'engaging means between having at least one lill the movable member and the jamb piece, and means to move the movable member to constitute the same a limiting stop when the door is ajar and to serve as a locking bolt when the door is shut.

3. In locking mechanism as set forth, the combination with a fixed j amb piece having a rigid pin and a relatively movable door piece, of a bolt carried by the door piece and having` sliding and swinging connection therewith, said bolt having formed at its outer end a hook the point of which is directed inward toward the door for locking engagement around said pin.

4:. In lock mechanisms, the combination of two relatively movable bracket members oneof which includes a rigid pin, a rigid bolt carried by the other bracket member and having a hook at one end for engagement around said pin for making a jimmy-proof lock and to constitute a hinge around which the remote part of thebolt will swing when moved away from the bracket member which carries it to serve as a stay.

5. A lock as set forth comprising a fixed jamb piece having a rigid pin, a bracket to be carried by a swinging member with respect to the jamb piece and including a retainer which moves into proximity with the jamb piece pin, and a bolt having sliding and swinging engagement through said retainer and having a hook at its outer end engageable over said pin when the swinging member approaches its closed position.

6. Mechanism as set forth in claim 5 in which the hook is so constructed that its point passes to the rear of the pin and is movable toward the swinging member for interlockingthe hook end of the bolt around the pin.

7. Mechanism as set forth in claim 5 in which the end of the bolt remote from the hook is arranged to swing outward at an angle to the normal position thereof in connection with the member which carries it.

8. The herein described combined door lock and stay comprising a fixed jamb piece having a rigid pin, a rigid door piece carried by the door, a combined sliding and swinging bolt having a hook on its outer end for engagement around said amb piece pin, and means serving to retain the bolt in constant but movable connection with the door piece. I

9. Mechanism as set forth in claim 6 in which the bolt is slidable parallel with the door for locking or unlocking its hooked end with respect to the jamb piece pin and is swingable at an angle to the door for use as a stay while pivoted around said pin.

10. Mechanism as set forth in claim 6 in which means is provided for retaining the bolt in parallel relation to the door piece for sliding movement into or out of locked position, and means co-operating with the bolt having at its free end a hook engageable around said pin into locked position when the point of the hook and bolt are moved toward the door, and means to retain the bolt in constant engagement with the door piece, said retaining means providing for the swinging of the bolt away from the doorl piece and around the pin as an axis.

13. Mechanism as set forth in claim 12 in which the retaining means includes a horizontal arm and the bolt is notched to receive said arm for making a positive interlock to limit the open swinging of the door.

14. 'In locking mechanism as set forth, the combination with a fixed j amb piece having a rigid pin and a relatively movable door piece, of a bolt carried-*by the door piece and having constant connection therewith,

said bolt co-operating with the door jambv to forml a rotatable connection therewith which is non-detachable when the door is open but which may be disconnected when the door is closed. A

15. In a combined door lock and stay, the combination of a rigid member for the door, a rigid member for the jamb, a bolt carried by and having constant engagement with the door member, and interlockigngl connection means between the bolt and the j amb member to provide a jimmy-proof lock for the door when shut and serving also as a limiting stay for the door when ajar.

16. In a combined door lock and stay, the combination with a. jamb piece and a door piece, of a member carried by and having movable co-operation with the door piece, interlocking means between the movable member and the amb piece. and means to move the movable member to constitute the same a limiting stay whenv the door is ajar and to serve as a jinnny-proof lock when the door is shut. Y

17. In a combined door lock and stay, the combination with a jamb piece and a door piece, of a member carried by and having constant connection with the door piece remote from the outside of the door, and key means operative from the outside of the doorto cause the member to move relatively to the door piece for engagement with the jamb piece to lock the door shut, said member remote from the j amb piece being movable away from the door While so engaged with the jainb piece to constitute it as a stay.

18. ln a fastener for a door, the combination of a jamb piece, al easing for the door, a bolt having constant Connection With tlie easing and movable along the saine for inaking hinged looking connection at its outer end 'with the jarnb piece, the end of the bolt remote from the jalnb piece being movable langdlarly away from the door to constitute the bolt as a stay when the door is ajar, and keeper means for holding' said remote end of the bolt adjacent to the door when shut While the bolt serves as a look.

In testimony whereof I my signature.

EDGAR lV. POHLIG. 

